$form['shadow']=array('#type'=>'checkbox','#title'=>t('Leave shadow copy'),'#default_value'=>$shadow,'#description'=>t('If you move this topic, you can leave a link in the old forum to the new forum.'));
$form['shadow']=array('#type'=>'checkbox','#title'=>t('Leave shadow copy'),'#default_value'=>$shadow,'#description'=>t('If you move this topic, you can leave a link in the old forum to the new forum.'));